body {
    background-image: url("../imags/b.jpg");
    background-size: 100%;
    background-repeat: no-repeat;
}
header{
    width: 100%;
    height: 60px;
    border-bottom: 2px solid #ffffff;
}
section{
    height: 362px;
    margin-top: 50px;
}
.header_p{
    color: white;
    text-align: center;
    font-size: 30px;
    height: 40px;
    line-height: 40px;
}

a{
    text-decoration: none;
    font-size: 20px;
    color: white;
}
a:hover{
    text-decoration: underline;
    font-size: 22px;
    color: #FD4E6B;
}

.content-left{
    width: 20%;
    float: left;
}
.content-left ul{
    width: 80%;
    height: 330px;

    background: rgba(64,83,81,0.5);
}

.content-left ul li{
    line-height: 40px;
    height: 40px;

}
.content-right{
    margin-top: 17px;
    width: 80%;
    height:330px ;

    float: left;
    background: blue;
}
footer{
    clear: both;
    border-top: white 2px solid;
    width: 100%;
    height: 20px;
    margin-top: 150px;
    padding-top: 20px;
    font-size: 12px;
    text-align: center;
    color: white;
}